Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354839 | Polyimide and preparation process of same | Wataru Yamashita, Yoshihiro Sakata, Yuichi Okawa, Hideaki Oikawa, Tadashi Asanuma +4 more | 1994-10-11 |
| 5322962 | Aromatic diamine intermediates useful in the preparation of polyimide | Shoji Tamai, Keizaburo Yamaguchi, Yuko Ishihara, Saburo Kawashima, Hideaki Oikawa +1 more | 1994-06-21 |